. >> senators mccain requesting the -- hold a hearing to this. it seemed to me there were plenty of grounds to at the very least have an inquiry. >> absolutely. i think homeland security should. and the intelligence committee investigations have really just begun. both who get at what did we know about these brothers beforehand, what might we have done differently, what do we need to adjust in the future. but also the broader problem, which is we are seeing this increase in self radicalization. i don't know, frankly, what would be more troubling, piers, whether the brother went to chechnya, was radicalized there, or, in fact, he was radicalized at home. that's almost a bigger problem to deal with. and what we may have to confront while we dependent immune from the problems europe has experienced with increasing alienation and radicalization of some of their immigrant community, we may be seeing i am impacts here at home. >> congressman schiff, thank you. >>> coming up, what went on to tracking the suspect. and the family of a missing brown univer